With the changes of the times, smart phones have become a must-have device for consumers. This research hopes that consumers can enjoy the pleasure of reading at any time without having to carry heavy books with them, and can easily find books that meet their needs in the category of books. In addition, the ability to use the magnifying glass function and account management provided by the smart phone can not only enable consumers to find e-books that meet the needs and competitive prices, but also instantly purchase and read them easily. Convenient online purchase and reading of books without carrying heavy physical books is not only environmentally friendly, but also creates the company's long-term competitive advantage.